Can you explain how to work 7x+3x+5

Triangle abc is similar to triangle xyz, and the hypotenuses of both triangles lie on line m. the slope of line m between (-6,-8) and (-2,-5) is. what is the slope of line m between (2,-2) and (10,4) ?

Noriko packed 5 different sweaters for her 3 day trip. If she randomly selects one sweater to wear each day, what is the probability that she will select the brown sweater on Day 1, pink sweater on day 2 and orange on day 3?

Why is the result of converting 1500 yards into miles? Remember that 1 mile = 1760 yards

7 indian and 4 chinese finish a job in 5 days. 7 japanese and 3 chinese finish the same job in 7 days. given that the efficiency of each person of a particular nationality is same but different from others.

Use the law of syllogism to draw a conclusion from the two given statements. If it is Thursday, then Sara gets a paycheck. If Sara gets a paycheck, then she goes to the bank. A. Sara goes to the bank B.

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.